{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:TBJFWPUJICWAP2SFLFYFRY7FGQ","short_pith_number":"pith:TBJFWPUJ","canonical_record":{"source":{"id":"1901.10263","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-01-29T13:07:13Z","cross_cats_sorted":["cs.AI","cs.IR"],"title_canon_sha256":"69698bc88493e65e9b488a5064fb4387d2fe9deb33fa99490b2dfc099c1005af","abstract_canon_sha256":"1f386a0dd6e7e37515a0f30c161f810c85d1648366a869805d3cbebd3580d220"},"schema_version":"1.0"},"canonical_sha256":"98525b3e8940ac07ea45597058e3e5342243881fc1f08d7fb079bc10f7bc7714","source":{"kind":"arxiv","id":"1901.10263","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.10263","created_at":"2026-05-17T23:55:15Z"},{"alias_kind":"arxiv_version","alias_value":"1901.10263v1","created_at":"2026-05-17T23:55:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.10263","created_at":"2026-05-17T23:55:15Z"},{"alias_kind":"pith_short_12","alias_value":"TBJFWPUJICWA","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"TBJFWPUJICWAP2SF","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"TBJFWPUJ","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:TBJFWPUJICWAP2SFLFYFRY7FGQ","target":"record","payload":{"canonical_record":{"source":{"id":"1901.10263","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-01-29T13:07:13Z","cross_cats_sorted":["cs.AI","cs.IR"],"title_canon_sha256":"69698bc88493e65e9b488a5064fb4387d2fe9deb33fa99490b2dfc099c1005af","abstract_canon_sha256":"1f386a0dd6e7e37515a0f30c161f810c85d1648366a869805d3cbebd3580d220"},"schema_version":"1.0"},"canonical_sha256":"98525b3e8940ac07ea45597058e3e5342243881fc1f08d7fb079bc10f7bc7714","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:15.722610Z","signature_b64":"0i2paeLubK6/0S9TX3qbzh/ENKfxnSP2uxdrmqXYpJdSLUAC1fzRCh91+E0c8ci2bQjFyXFOYdq527/7Z+oUCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"98525b3e8940ac07ea45597058e3e5342243881fc1f08d7fb079bc10f7bc7714","last_reissued_at":"2026-05-17T23:55:15.722179Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:15.722179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.10263","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:55:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y68rbvBxg13gT8U5hcvsS4+uBjKHWHNTLxXI0t5SOhKQTEJwu0hB0jsNN1dtxfBmG//+enZ7o0U1muai+8hyAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:10:18.324523Z"},"content_sha256":"d61a516977f6335c6312dc0ffbb35b5b35a3cc74fd7b6791d45ba8af7eb06319","schema_version":"1.0","event_id":"sha256:d61a516977f6335c6312dc0ffbb35b5b35a3cc74fd7b6791d45ba8af7eb06319"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:TBJFWPUJICWAP2SFLFYFRY7FGQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"TiFi: Taxonomy Induction for Fictional Domains [Extended version]","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI","cs.IR"],"primary_cat":"cs.CL","authors_text":"Cuong Xuan Chu, Gerhard Weikum, Simon Razniewski","submitted_at":"2019-01-29T13:07:13Z","abstract_excerpt":"Taxonomies are important building blocks of structured knowledge bases, and their construction from text sources and Wikipedia has received much attention. In this paper we focus on the construction of taxonomies for fictional domains, using noisy category systems from fan wikis or text extraction as input. Such fictional domains are archetypes of entity universes that are poorly covered by Wikipedia, such as also enterprise-specific knowledge bases or highly specialized verticals. Our fiction-targeted approach, called TiFi, consists of three phases: (i) category cleaning, by identifying candi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.10263","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:55:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DoCeY+ratGVYBSbis5ELxbKZqO0kj+9K2E57OKClT0wT8ziIVXXiUn4Wu6JZj4IkUoStA2mk3LOSHvoFwHNWCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:10:18.324870Z"},"content_sha256":"701fcd583faf8cbc3454606ccd1b74b798d5bdd8d582cbe427768ad32bb306b4","schema_version":"1.0","event_id":"sha256:701fcd583faf8cbc3454606ccd1b74b798d5bdd8d582cbe427768ad32bb306b4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TBJFWPUJICWAP2SFLFYFRY7FGQ/bundle.json","state_url":"https://pith.science/pith/TBJFWPUJICWAP2SFLFYFRY7FGQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TBJFWPUJICWAP2SFLFYFRY7FGQ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-28T09:10:18Z","links":{"resolver":"https://pith.science/pith/TBJFWPUJICWAP2SFLFYFRY7FGQ","bundle":"https://pith.science/pith/TBJFWPUJICWAP2SFLFYFRY7FGQ/bundle.json","state":"https://pith.science/pith/TBJFWPUJICWAP2SFLFYFRY7FGQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TBJFWPUJICWAP2SFLFYFRY7FGQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:TBJFWPUJICWAP2SFLFYFRY7FGQ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"1f386a0dd6e7e37515a0f30c161f810c85d1648366a869805d3cbebd3580d220","cross_cats_sorted":["cs.AI","cs.IR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-01-29T13:07:13Z","title_canon_sha256":"69698bc88493e65e9b488a5064fb4387d2fe9deb33fa99490b2dfc099c1005af"},"schema_version":"1.0","source":{"id":"1901.10263","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.10263","created_at":"2026-05-17T23:55:15Z"},{"alias_kind":"arxiv_version","alias_value":"1901.10263v1","created_at":"2026-05-17T23:55:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.10263","created_at":"2026-05-17T23:55:15Z"},{"alias_kind":"pith_short_12","alias_value":"TBJFWPUJICWA","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"TBJFWPUJICWAP2SF","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"TBJFWPUJ","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:701fcd583faf8cbc3454606ccd1b74b798d5bdd8d582cbe427768ad32bb306b4","target":"graph","created_at":"2026-05-17T23:55:15Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Taxonomies are important building blocks of structured knowledge bases, and their construction from text sources and Wikipedia has received much attention. In this paper we focus on the construction of taxonomies for fictional domains, using noisy category systems from fan wikis or text extraction as input. Such fictional domains are archetypes of entity universes that are poorly covered by Wikipedia, such as also enterprise-specific knowledge bases or highly specialized verticals. Our fiction-targeted approach, called TiFi, consists of three phases: (i) category cleaning, by identifying candi","authors_text":"Cuong Xuan Chu, Gerhard Weikum, Simon Razniewski","cross_cats":["cs.AI","cs.IR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-01-29T13:07:13Z","title":"TiFi: Taxonomy Induction for Fictional Domains [Extended version]"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.10263","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:d61a516977f6335c6312dc0ffbb35b5b35a3cc74fd7b6791d45ba8af7eb06319","target":"record","created_at":"2026-05-17T23:55:15Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"1f386a0dd6e7e37515a0f30c161f810c85d1648366a869805d3cbebd3580d220","cross_cats_sorted":["cs.AI","cs.IR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-01-29T13:07:13Z","title_canon_sha256":"69698bc88493e65e9b488a5064fb4387d2fe9deb33fa99490b2dfc099c1005af"},"schema_version":"1.0","source":{"id":"1901.10263","kind":"arxiv","version":1}},"canonical_sha256":"98525b3e8940ac07ea45597058e3e5342243881fc1f08d7fb079bc10f7bc7714","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"98525b3e8940ac07ea45597058e3e5342243881fc1f08d7fb079bc10f7bc7714","first_computed_at":"2026-05-17T23:55:15.722179Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:15.722179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0i2paeLubK6/0S9TX3qbzh/ENKfxnSP2uxdrmqXYpJdSLUAC1fzRCh91+E0c8ci2bQjFyXFOYdq527/7Z+oUCQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:15.722610Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.10263","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d61a516977f6335c6312dc0ffbb35b5b35a3cc74fd7b6791d45ba8af7eb06319","sha256:701fcd583faf8cbc3454606ccd1b74b798d5bdd8d582cbe427768ad32bb306b4"],"state_sha256":"6ed954a0b415dc4251af1b3f796b2bd16f02d99e23764ae1cb5d5c1e3270ff29"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6szBV7OWEnPJCZLjhAPCpI/o7pZwiIXD1dXYeWegDURZY23H+F+ISbD5wYP33HqacWJsAzlNk3CKRuI9YSSEDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T09:10:18.326864Z","bundle_sha256":"bcc4152b1813ca274b7709bed69ea09237cb2574d723e01b88472e72b4b05fdb"}}